xref: /freebsd/sys/net80211/ieee80211_ddb.c (revision 31378b1c87ab8e6c51deb3fb67d3e21a4e456b9f)
1 /*-
2  * Copyright (c) 2007-2008 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28 
29 #include "opt_ddb.h"
30 #include "opt_wlan.h"
31 
32 #ifdef DDB
33 /*
34  * IEEE 802.11 DDB support
35  */
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/socket.h>
40 #include <sys/vimage.h>
41 
42 #include <net/if.h>
43 #include <net/if_dl.h>
44 #include <net/if_media.h>
45 #include <net/if_types.h>
46 #include <net/ethernet.h>
47 #include <net/vnet.h>
48 
49 #include <net80211/ieee80211_var.h>
50 
51 #include <ddb/ddb.h>
52 #include <ddb/db_sym.h>
53 
54 #define	IEEE80211_MSG_BITS \
55 	"\20\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \
56 	"\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1X\22POWER" \
57 	"\23STATE\24OUTPUT\25SCAN\26AUTH\27ASSOC\30NODE\31ELEMID\32XRATE" \
58 	"\33INPUT\34CRYPTO\35DUPMPKTS\36DEBUG\3711N"
59 
60 #define	IEEE80211_F_BITS \
61 	"\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \
62 	"\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \
63 	"\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \
64 	"\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \
65 	"\37DOTH\40DWDS"
66 
67 #define	IEEE80211_FEXT_BITS \
68 	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
69 	"\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
70 	"\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
71 	"\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
72 
73 #define	IEEE80211_FVEN_BITS	"\20"
74 
75 #define	IEEE80211_C_BITS \
76 	"\20\1STA\7FF\10TURBOP\11IBSS\12PMGT" \
77 	"\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \
78 	"\21MONITOR\22DFS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \
79 	"\37TXFRAG"
80 
81 #define	IEEE80211_C_CRYPTO_BITS \
82 	"\20\1WEP\2TKIP\3AES\4AES_CCM\5TKIPMIC\6CKIP\12PMGT"
83 
84 #define	IEEE80211_C_HTCAP_BITS \
85 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
86 	"\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS"
87 
88 /* NB: policy bits not included */
89 #define	IEEE80211_CHAN_BITS \
90 	"\20\5TURBO\6CCK\7OFDM\0102GHZ\0115GHZ\12PASSIVE\13DYN\14GFSK" \
91 	"\15STURBO\16HALF\17QUARTER\20HT20\21HT40U\22HT40D\23DFS"
92 
93 #define	IEEE80211_NODE_BITS \
94 	"\20\1AUTH\2QOS\3ERP\5PWR_MGT\6AREF\7HT\10HTCOMPAT\11WPS\12TSN" \
95 	"\13AMPDU_RX\14AMPDU_TX\15MIMO_PS\16MIMO_RTS\17RIFS\20SGI20\21SGI40" \
96 	"\22ASSOCID"
97 
98 #define	IEEE80211_ERP_BITS \
99 	"\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE"
100 
101 #define	IEEE80211_CAPINFO_BITS \
102 	"\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \
103 	"\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \
104 	"\16DSSOFDM"
105 
106 #define	IEEE80211_HTCAP_BITS \
107 	"\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \
108 	"\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \
109 	"\20LSIGTXOPPROT"
110 
111 #define	IEEE80211_AGGR_BITS \
112 	"\20\1IMMEDIATE\2XCHGPEND\3RUNNING\4SETUP\5NAK"
113 
114 #define DB_PRINTSYM(prefix, addr) \
115 	db_printf(prefix " "); \
116 	db_printsym((db_addr_t) addr, DB_STGY_ANY); \
117 	db_printf("\n");
118 
119 static void _db_show_sta(const struct ieee80211_node *);
120 static void _db_show_vap(const struct ieee80211vap *, int);
121 static void _db_show_com(const struct ieee80211com *,
122 	int showvaps, int showsta, int showprocs);
123 
124 static void _db_show_channel(const char *tag, const struct ieee80211_channel *);
125 static void _db_show_ssid(const char *tag, int ix, int len, const uint8_t *);
126 static void _db_show_appie(const char *tag, const struct ieee80211_appie *);
127 static void _db_show_key(const char *tag, int ix, const struct ieee80211_key *);
128 static void _db_show_roamparams(const char *tag, const void *arg,
129 	const struct ieee80211_roamparam *rp);
130 static void _db_show_txparams(const char *tag, const void *arg,
131 	const struct ieee80211_txparam *tp);
132 static void _db_show_stats(const struct ieee80211_stats *);
133 
134 DB_SHOW_COMMAND(sta, db_show_sta)
135 {
136 	if (!have_addr) {
137 		db_printf("usage: show sta <addr>\n");
138 		return;
139 	}
140 	_db_show_sta((const struct ieee80211_node *) addr);
141 }
142 
143 DB_SHOW_COMMAND(vap, db_show_vap)
144 {
145 	int i, showprocs = 0;
146 
147 	if (!have_addr) {
148 		db_printf("usage: show vap <addr>\n");
149 		return;
150 	}
151 	for (i = 0; modif[i] != '\0'; i++)
152 		switch (modif[i]) {
153 		case 'a':
154 			showprocs = 1;
155 			break;
156 		case 'p':
157 			showprocs = 1;
158 			break;
159 		}
160 	_db_show_vap((const struct ieee80211vap *) addr, showprocs);
161 }
162 
163 DB_SHOW_COMMAND(com, db_show_com)
164 {
165 	const struct ieee80211com *ic;
166 	int i, showprocs = 0, showvaps = 0, showsta = 0;
167 
168 	if (!have_addr) {
169 		db_printf("usage: show com <addr>\n");
170 		return;
171 	}
172 	for (i = 0; modif[i] != '\0'; i++)
173 		switch (modif[i]) {
174 		case 'a':
175 			showsta = showvaps = showprocs = 1;
176 			break;
177 		case 's':
178 			showsta = 1;
179 			break;
180 		case 'v':
181 			showvaps = 1;
182 			break;
183 		case 'p':
184 			showprocs = 1;
185 			break;
186 		}
187 
188 	ic = (const struct ieee80211com *) addr;
189 	_db_show_com(ic, showvaps, showsta, showprocs);
190 }
191 
192 DB_SHOW_ALL_COMMAND(vaps, db_show_all_vaps)
193 {
194 	VNET_ITERATOR_DECL(vnet_iter);
195 	const struct ifnet *ifp;
196 	int i, showall = 0;
197 
198 	for (i = 0; modif[i] != '\0'; i++)
199 		switch (modif[i]) {
200 		case 'a':
201 			showall = 1;
202 			break;
203 		}
204 
205 	VNET_FOREACH(vnet_iter) {
206 		INIT_VNET_NET(vnet_iter);
207 		TAILQ_FOREACH(ifp, &V_ifnet, if_list)
208 			if (ifp->if_type == IFT_IEEE80211) {
209 				const struct ieee80211com *ic = ifp->if_l2com;
210 
211 				if (!showall) {
212 					const struct ieee80211vap *vap;
213 					db_printf("%s: com %p vaps:",
214 					    ifp->if_xname, ic);
215 					TAILQ_FOREACH(vap, &ic->ic_vaps,
216 					    iv_next)
217 						db_printf(" %s(%p)",
218 						    vap->iv_ifp->if_xname, vap);
219 					db_printf("\n");
220 				} else
221 					_db_show_com(ic, 1, 1, 1);
222 			}
223 	}
224 }
225 
226 static void
227 _db_show_txampdu(const char *sep, int ix, const struct ieee80211_tx_ampdu *tap)
228 {
229 	db_printf("%stxampdu[%d]: %p flags %b ac %u\n",
230 		sep, ix, tap, tap->txa_flags, IEEE80211_AGGR_BITS, tap->txa_ac);
231 	db_printf("%s  token %u qbytes %d qframes %d start %u wnd %u\n",
232 		sep, tap->txa_token, tap->txa_qbytes, tap->txa_qframes,
233 		tap->txa_start, tap->txa_wnd);
234 	db_printf("%s  attempts %d nextrequest %d\n",
235 		sep, tap->txa_attempts, tap->txa_nextrequest);
236 	/* XXX packet q + timer */
237 }
238 
239 static void
240 _db_show_rxampdu(const char *sep, int ix, const struct ieee80211_rx_ampdu *rap)
241 {
242 	db_printf("%srxampdu[%d]: %p flags 0x%x tid %u\n",
243 		sep, ix, rap, rap->rxa_flags, ix /*XXX */);
244 	db_printf("%s  qbytes %d qframes %d seqstart %u start %u wnd %u\n",
245 		sep, rap->rxa_qbytes, rap->rxa_qframes,
246 		rap->rxa_seqstart, rap->rxa_start, rap->rxa_wnd);
247 	db_printf("%s  age %d nframes %d\n",
248 		sep, rap->rxa_age, rap->rxa_nframes);
249 }
250 
251 static void
252 _db_show_sta(const struct ieee80211_node *ni)
253 {
254 	int i;
255 
256 	db_printf("0x%p: mac %s refcnt %d\n", ni,
257 		ether_sprintf(ni->ni_macaddr), ieee80211_node_refcnt(ni));
258 	db_printf("\tvap %p wdsvap %p ic %p table %p\n",
259 		ni->ni_vap, ni->ni_wdsvap, ni->ni_ic, ni->ni_table);
260 	db_printf("\tflags=%b\n", ni->ni_flags, IEEE80211_NODE_BITS);
261 	db_printf("\tscangen %u authmode %u ath_flags 0x%x ath_defkeyix %u\n",
262 		ni->ni_scangen, ni->ni_authmode,
263 		ni->ni_ath_flags, ni->ni_ath_defkeyix);
264 	db_printf("\tassocid 0x%x txpower %u vlan %u\n",
265 		ni->ni_associd, ni->ni_txpower, ni->ni_vlan);
266 	db_printf("\tjointime %d (%lu secs) challenge %p\n",
267 		ni->ni_jointime, (unsigned long)(time_uptime - ni->ni_jointime),
268 		ni->ni_challenge);
269 	db_printf("\ties: data %p len %d\n", ni->ni_ies.data, ni->ni_ies.len);
270 	db_printf("\t[wpa_ie %p rsn_ie %p wme_ie %p ath_ie %p\n",
271 		ni->ni_ies.wpa_ie, ni->ni_ies.rsn_ie, ni->ni_ies.wme_ie,
272 		ni->ni_ies.ath_ie);
273 	db_printf("\t htcap_ie %p htinfo_ie %p]\n",
274 		ni->ni_ies.htcap_ie, ni->ni_ies.htinfo_ie);
275 	db_printf("\ttxseq %u rxseq %u fragno %u rxfragstamp %u\n",
276 		ni->ni_txseqs[IEEE80211_NONQOS_TID],
277 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] >> IEEE80211_SEQ_SEQ_SHIFT,
278 		ni->ni_rxseqs[IEEE80211_NONQOS_TID] & IEEE80211_SEQ_FRAG_MASK,
279 		ni->ni_rxfragstamp);
280 	db_printf("\trxfrag[0] %p rxfrag[1] %p rxfrag[2] %p\n",
281 		ni->ni_rxfrag[0], ni->ni_rxfrag[1], ni->ni_rxfrag[2]);
282 	db_printf("\trstamp %u avgrssi 0x%x (rssi %d) noise %d\n",
283 		ni->ni_rstamp, ni->ni_avgrssi,
284 		IEEE80211_RSSI_GET(ni->ni_avgrssi), ni->ni_noise);
285 	db_printf("\tintval %u capinfo %b\n",
286 		ni->ni_intval, ni->ni_capinfo, IEEE80211_CAPINFO_BITS);
287 	db_printf("\tbssid %s", ether_sprintf(ni->ni_bssid));
288 	_db_show_ssid(" essid ", 0, ni->ni_esslen, ni->ni_essid);
289 	db_printf("\n");
290 	_db_show_channel("\tchannel", ni->ni_chan);
291 	db_printf("\n");
292 	db_printf("\terp %b dtim_period %u dtim_count %u\n",
293 		ni->ni_erp, IEEE80211_ERP_BITS,
294 		ni->ni_dtim_period, ni->ni_dtim_count);
295 
296 	db_printf("\thtcap %b htparam 0x%x htctlchan %u ht2ndchan %u\n",
297 		ni->ni_htcap, IEEE80211_HTCAP_BITS,
298 		ni->ni_htparam, ni->ni_htctlchan, ni->ni_ht2ndchan);
299 	db_printf("\thtopmode 0x%x htstbc 0x%x chw %u\n",
300 		ni->ni_htopmode, ni->ni_htstbc, ni->ni_chw);
301 
302 	/* XXX ampdu state */
303 	for (i = 0; i < WME_NUM_AC; i++)
304 		if (ni->ni_tx_ampdu[i].txa_flags & IEEE80211_AGGR_SETUP)
305 			_db_show_txampdu("\t", i, &ni->ni_tx_ampdu[i]);
306 	for (i = 0; i < WME_NUM_TID; i++)
307 		if (ni->ni_rx_ampdu[i].rxa_nframes)
308 			_db_show_rxampdu("\t", i, &ni->ni_rx_ampdu[i]);
309 
310 	db_printf("\tinact %u inact_reload %u txrate %u\n",
311 		ni->ni_inact, ni->ni_inact_reload, ni->ni_txrate);
312 	/* XXX savedq */
313 	/* XXX wdsq */
314 }
315 
316 static void
317 _db_show_vap(const struct ieee80211vap *vap, int showprocs)
318 {
319 	const struct ieee80211com *ic = vap->iv_ic;
320 	int i;
321 
322 	db_printf("%p:", vap);
323 	db_printf(" bss %p", vap->iv_bss);
324 	db_printf(" myaddr %s", ether_sprintf(vap->iv_myaddr));
325 	db_printf("\n");
326 
327 	db_printf("\topmode %s", ieee80211_opmode_name[vap->iv_opmode]);
328 	db_printf(" state %s", ieee80211_state_name[vap->iv_state]);
329 	db_printf(" ifp %p", vap->iv_ifp);
330 	db_printf("\n");
331 
332 	db_printf("\tic %p", vap->iv_ic);
333 	db_printf(" media %p", &vap->iv_media);
334 	db_printf(" bpf_if %p", vap->iv_rawbpf);
335 	db_printf(" mgtsend %p", &vap->iv_mgtsend);
336 #if 0
337 	struct sysctllog	*iv_sysctl;	/* dynamic sysctl context */
338 #endif
339 	db_printf("\n");
340 	db_printf("\tdebug=%b\n", vap->iv_debug, IEEE80211_MSG_BITS);
341 
342 	db_printf("\tflags=%b\n", vap->iv_flags, IEEE80211_F_BITS);
343 	db_printf("\tflags_ext=%b\n", vap->iv_flags_ext, IEEE80211_FEXT_BITS);
344 	db_printf("\tflags_ven=%b\n", vap->iv_flags_ven, IEEE80211_FVEN_BITS);
345 	db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
346 	db_printf("\thtcaps=%b\n", vap->iv_htcaps, IEEE80211_C_HTCAP_BITS);
347 
348 	_db_show_stats(&vap->iv_stats);
349 
350 	db_printf("\tinact_init %d", vap->iv_inact_init);
351 	db_printf(" inact_auth %d", vap->iv_inact_auth);
352 	db_printf(" inact_run %d", vap->iv_inact_run);
353 	db_printf(" inact_probe %d", vap->iv_inact_probe);
354 	db_printf("\n");
355 
356 	db_printf("\tdes_nssid %d", vap->iv_des_nssid);
357 	if (vap->iv_des_nssid)
358 		_db_show_ssid(" des_ssid[%u] ", 0,
359 		    vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
360 	db_printf(" des_bssid %s", ether_sprintf(vap->iv_des_bssid));
361 	db_printf("\n");
362 	db_printf("\tdes_mode %d", vap->iv_des_mode);
363 	_db_show_channel(" des_chan", vap->iv_des_chan);
364 	db_printf("\n");
365 #if 0
366 	int			iv_nicknamelen;	/* XXX junk */
367 	uint8_t			iv_nickname[IEEE80211_NWID_LEN];
368 #endif
369 	db_printf("\tbgscanidle %u", vap->iv_bgscanidle);
370 	db_printf(" bgscanintvl %u", vap->iv_bgscanintvl);
371 	db_printf(" scanvalid %u", vap->iv_scanvalid);
372 	db_printf("\n");
373 	db_printf("\tscanreq_duration %u", vap->iv_scanreq_duration);
374 	db_printf(" scanreq_mindwell %u", vap->iv_scanreq_mindwell);
375 	db_printf(" scanreq_maxdwell %u", vap->iv_scanreq_maxdwell);
376 	db_printf("\n");
377 	db_printf(" scanreq_flags 0x%x", vap->iv_scanreq_flags);
378 	db_printf("\tscanreq_nssid %d", vap->iv_scanreq_nssid);
379 	for (i = 0; i < vap->iv_scanreq_nssid; i++)
380 		_db_show_ssid(" scanreq_ssid[%u]", i,
381 		    vap->iv_scanreq_ssid[i].len, vap->iv_scanreq_ssid[i].ssid);
382 	db_printf(" roaming %d", vap->iv_roaming);
383 	db_printf("\n");
384 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
385 		if (isset(ic->ic_modecaps, i)) {
386 			_db_show_roamparams("\troamparms[%s]",
387 			    ieee80211_phymode_name[i], &vap->iv_roamparms[i]);
388 			db_printf("\n");
389 		}
390 
391 	db_printf("\tbmissthreshold %u", vap->iv_bmissthreshold);
392 	db_printf(" bmiss_max %u", vap->iv_bmiss_count);
393 	db_printf(" bmiss_max %d", vap->iv_bmiss_max);
394 	db_printf("\n");
395 	db_printf("\tswbmiss_count %u", vap->iv_swbmiss_count);
396 	db_printf(" swbmiss_period %u", vap->iv_swbmiss_period);
397 	db_printf(" swbmiss %p", &vap->iv_swbmiss);
398 	db_printf("\n");
399 
400 	db_printf("\tampdu_rxmax %d", vap->iv_ampdu_rxmax);
401 	db_printf(" ampdu_density %d", vap->iv_ampdu_density);
402 	db_printf(" ampdu_limit %d", vap->iv_ampdu_limit);
403 	db_printf(" amsdu_limit %d", vap->iv_amsdu_limit);
404 	db_printf("\n");
405 
406 	db_printf("\tmax_aid %u", vap->iv_max_aid);
407 	db_printf(" aid_bitmap %p", vap->iv_aid_bitmap);
408 	db_printf("\n");
409 	db_printf("\tsta_assoc %u", vap->iv_sta_assoc);
410 	db_printf(" ps_sta %u", vap->iv_ps_sta);
411 	db_printf(" ps_pending %u", vap->iv_ps_pending);
412 	db_printf(" tim_len %u", vap->iv_tim_len);
413 	db_printf(" tim_bitmap %p", vap->iv_tim_bitmap);
414 	db_printf("\n");
415 	db_printf("\tdtim_period %u", vap->iv_dtim_period);
416 	db_printf(" dtim_count %u", vap->iv_dtim_count);
417 	db_printf(" set_tim %p", vap->iv_set_tim);
418 	db_printf(" csa_count %d", vap->iv_csa_count);
419 	db_printf("\n");
420 
421 	db_printf("\trtsthreshold %u", vap->iv_rtsthreshold);
422 	db_printf(" fragthreshold %u", vap->iv_fragthreshold);
423 	db_printf(" inact_timer %d", vap->iv_inact_timer);
424 	db_printf("\n");
425 	for (i = IEEE80211_MODE_11A; i < IEEE80211_MODE_MAX; i++)
426 		if (isset(ic->ic_modecaps, i)) {
427 			_db_show_txparams("\ttxparms[%s]",
428 			    ieee80211_phymode_name[i], &vap->iv_txparms[i]);
429 			db_printf("\n");
430 		}
431 
432 	/* application-specified IE's to attach to mgt frames */
433 	_db_show_appie("\tappie_beacon", vap->iv_appie_beacon);
434 	_db_show_appie("\tappie_probereq", vap->iv_appie_probereq);
435 	_db_show_appie("\tappie_proberesp", vap->iv_appie_proberesp);
436 	_db_show_appie("\tappie_assocreq", vap->iv_appie_assocreq);
437 	_db_show_appie("\tappie_asscoresp", vap->iv_appie_assocresp);
438 	_db_show_appie("\tappie_wpa", vap->iv_appie_wpa);
439 	if (vap->iv_wpa_ie != NULL || vap->iv_rsn_ie != NULL) {
440 		if (vap->iv_wpa_ie != NULL)
441 			db_printf("\twpa_ie %p", vap->iv_wpa_ie);
442 		if (vap->iv_rsn_ie != NULL)
443 			db_printf("\trsn_ie %p", vap->iv_rsn_ie);
444 		db_printf("\n");
445 	}
446 	db_printf("\tmax_keyix %u", vap->iv_max_keyix);
447 	db_printf(" def_txkey %d", vap->iv_def_txkey);
448 	db_printf("\n");
449 	for (i = 0; i < IEEE80211_WEP_NKID; i++)
450 		_db_show_key("\tnw_keys[%u]", i, &vap->iv_nw_keys[i]);
451 
452 	db_printf("\tauth %p", vap->iv_auth);
453 	db_printf(" ec %p", vap->iv_ec);
454 
455 	db_printf(" acl %p", vap->iv_acl);
456 	db_printf(" as %p", vap->iv_as);
457 	db_printf("\n");
458 
459 	if (showprocs) {
460 		DB_PRINTSYM("\tiv_key_alloc", vap->iv_key_alloc);
461 		DB_PRINTSYM("\tiv_key_delete", vap->iv_key_delete);
462 		DB_PRINTSYM("\tiv_key_set", vap->iv_key_set);
463 		DB_PRINTSYM("\tiv_key_update_begin", vap->iv_key_update_begin);
464 		DB_PRINTSYM("\tiv_key_update_end", vap->iv_key_update_end);
465 		DB_PRINTSYM("\tiv_opdetach", vap->iv_opdetach);
466 		DB_PRINTSYM("\tiv_input", vap->iv_input);
467 		DB_PRINTSYM("\tiv_recv_mgmt", vap->iv_recv_mgmt);
468 		DB_PRINTSYM("\tiv_deliver_data", vap->iv_deliver_data);
469 		DB_PRINTSYM("\tiv_bmiss", vap->iv_bmiss);
470 		DB_PRINTSYM("\tiv_reset", vap->iv_reset);
471 		DB_PRINTSYM("\tiv_update_beacon", vap->iv_update_beacon);
472 		DB_PRINTSYM("\tiv_newstate", vap->iv_newstate);
473 		DB_PRINTSYM("\tiv_output", vap->iv_output);
474 	}
475 }
476 
477 static void
478 _db_show_com(const struct ieee80211com *ic, int showvaps, int showsta, int showprocs)
479 {
480 	struct ieee80211vap *vap;
481 
482 	db_printf("%p:", ic);
483 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
484 		db_printf(" %s(%p)", vap->iv_ifp->if_xname, vap);
485 	db_printf("\n");
486 	db_printf("\tifp %p", ic->ic_ifp);
487 	db_printf(" comlock %p", &ic->ic_comlock);
488 	db_printf("\n");
489 	_db_show_stats(&ic->ic_stats);
490 	db_printf("\theadroom %d", ic->ic_headroom);
491 	db_printf(" phytype %d", ic->ic_phytype);
492 	db_printf(" opmode %s", ieee80211_opmode_name[ic->ic_opmode]);
493 	db_printf("\n");
494 	db_printf("\tmedia %p", &ic->ic_media);
495 	db_printf(" myaddr %s", ether_sprintf(ic->ic_myaddr));
496 	db_printf(" inact %p", &ic->ic_inact);
497 	db_printf("\n");
498 
499 	db_printf("\tflags=%b\n", ic->ic_flags, IEEE80211_F_BITS);
500 	db_printf("\tflags_ext=%b\n", ic->ic_flags_ext, IEEE80211_FEXT_BITS);
501 	db_printf("\tflags_ven=%b\n", ic->ic_flags_ven, IEEE80211_FVEN_BITS);
502 	db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);
503 	db_printf("\tcryptocaps=%b\n",
504 	    ic->ic_cryptocaps, IEEE80211_C_CRYPTO_BITS);
505 	db_printf("\thtcaps=%b\n", ic->ic_htcaps, IEEE80211_HTCAP_BITS);
506 
507 #if 0
508 	uint8_t			ic_modecaps[2];	/* set of mode capabilities */
509 #endif
510 	db_printf("\tcurmode %u", ic->ic_curmode);
511 	db_printf(" promisc %u", ic->ic_promisc);
512 	db_printf(" allmulti %u", ic->ic_allmulti);
513 	db_printf(" nrunning %u", ic->ic_nrunning);
514 	db_printf("\n");
515 	db_printf("\tbintval %u", ic->ic_bintval);
516 	db_printf(" lintval %u", ic->ic_lintval);
517 	db_printf(" holdover %u", ic->ic_holdover);
518 	db_printf(" txpowlimit %u", ic->ic_txpowlimit);
519 	db_printf("\n");
520 #if 0
521 	struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX];
522 #endif
523 	/*
524 	 * Channel state:
525 	 *
526 	 * ic_channels is the set of available channels for the device;
527 	 *    it is setup by the driver
528 	 * ic_nchans is the number of valid entries in ic_channels
529 	 * ic_chan_avail is a bit vector of these channels used to check
530 	 *    whether a channel is available w/o searching the channel table.
531 	 * ic_chan_active is a (potentially) constrained subset of
532 	 *    ic_chan_avail that reflects any mode setting or user-specified
533 	 *    limit on the set of channels to use/scan
534 	 * ic_curchan is the current channel the device is set to; it may
535 	 *    be different from ic_bsschan when we are off-channel scanning
536 	 *    or otherwise doing background work
537 	 * ic_bsschan is the channel selected for operation; it may
538 	 *    be undefined (IEEE80211_CHAN_ANYC)
539 	 * ic_prevchan is a cached ``previous channel'' used to optimize
540 	 *    lookups when switching back+forth between two channels
541 	 *    (e.g. for dynamic turbo)
542 	 */
543 	db_printf("\tnchans %d", ic->ic_nchans);
544 #if 0
545 	struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX];
546 	uint8_t			ic_chan_avail[IEEE80211_CHAN_BYTES];
547 	uint8_t			ic_chan_active[IEEE80211_CHAN_BYTES];
548 	uint8_t			ic_chan_scan[IEEE80211_CHAN_BYTES];
549 #endif
550 	db_printf("\n");
551 	_db_show_channel("\tcurchan", ic->ic_curchan);
552 	db_printf("\n");
553 	_db_show_channel("\tbsschan", ic->ic_bsschan);
554 	db_printf("\n");
555 	_db_show_channel("\tprevchan", ic->ic_prevchan);
556 	db_printf("\n");
557 	db_printf("\tregdomain %p", &ic->ic_regdomain);
558 	db_printf("\n");
559 
560 	_db_show_channel("\tcsa_newchan", ic->ic_csa_newchan);
561 	db_printf(" csa_count %d", ic->ic_csa_count);
562 	db_printf( "dfs %p", &ic->ic_dfs);
563 	db_printf("\n");
564 
565 	db_printf("\tscan %p", ic->ic_scan);
566 	db_printf(" lastdata %d", ic->ic_lastdata);
567 	db_printf(" lastscan %d", ic->ic_lastscan);
568 	db_printf("\n");
569 
570 	db_printf("\tmax_keyix %d", ic->ic_max_keyix);
571 	db_printf(" sta %p", &ic->ic_sta);
572 	db_printf(" wme %p", &ic->ic_wme);
573 	db_printf("\n");
574 
575 	db_printf("\tprotmode %d", ic->ic_protmode);
576 	db_printf(" nonerpsta %u", ic->ic_nonerpsta);
577 	db_printf(" longslotsta %u", ic->ic_longslotsta);
578 	db_printf(" lastnonerp %d", ic->ic_lastnonerp);
579 	db_printf("\n");
580 	db_printf("\tsta_assoc %u", ic->ic_sta_assoc);
581 	db_printf(" ht_sta_assoc %u", ic->ic_ht_sta_assoc);
582 	db_printf(" ht40_sta_assoc %u", ic->ic_ht40_sta_assoc);
583 	db_printf("\n");
584 	db_printf("\tcurhtprotmode 0x%x", ic->ic_curhtprotmode);
585 	db_printf(" htprotmode %d", ic->ic_htprotmode);
586 	db_printf(" lastnonht %d", ic->ic_lastnonht);
587 	db_printf("\n");
588 
589 	if (showprocs) {
590 		DB_PRINTSYM("\tic_vap_create", ic->ic_vap_create);
591 		DB_PRINTSYM("\tic_vap_delete", ic->ic_vap_delete);
592 #if 0
593 		/* operating mode attachment */
594 		ieee80211vap_attach	ic_vattach[IEEE80211_OPMODE_MAX];
595 #endif
596 		DB_PRINTSYM("\tic_newassoc", ic->ic_newassoc);
597 		DB_PRINTSYM("\tic_getradiocaps", ic->ic_getradiocaps);
598 		DB_PRINTSYM("\tic_setregdomain", ic->ic_setregdomain);
599 		DB_PRINTSYM("\tic_send_mgmt", ic->ic_send_mgmt);
600 		DB_PRINTSYM("\tic_raw_xmit", ic->ic_raw_xmit);
601 		DB_PRINTSYM("\tic_updateslot", ic->ic_updateslot);
602 		DB_PRINTSYM("\tic_update_mcast", ic->ic_update_mcast);
603 		DB_PRINTSYM("\tic_update_promisc", ic->ic_update_promisc);
604 		DB_PRINTSYM("\tic_node_alloc", ic->ic_node_alloc);
605 		DB_PRINTSYM("\tic_node_free", ic->ic_node_free);
606 		DB_PRINTSYM("\tic_node_cleanup", ic->ic_node_cleanup);
607 		DB_PRINTSYM("\tic_node_getrssi", ic->ic_node_getrssi);
608 		DB_PRINTSYM("\tic_node_getsignal", ic->ic_node_getsignal);
609 		DB_PRINTSYM("\tic_node_getmimoinfo", ic->ic_node_getmimoinfo);
610 		DB_PRINTSYM("\tic_scan_start", ic->ic_scan_start);
611 		DB_PRINTSYM("\tic_scan_end", ic->ic_scan_end);
612 		DB_PRINTSYM("\tic_set_channel", ic->ic_set_channel);
613 		DB_PRINTSYM("\tic_scan_curchan", ic->ic_scan_curchan);
614 		DB_PRINTSYM("\tic_scan_mindwell", ic->ic_scan_mindwell);
615 		DB_PRINTSYM("\tic_recv_action", ic->ic_recv_action);
616 		DB_PRINTSYM("\tic_send_action", ic->ic_send_action);
617 		DB_PRINTSYM("\tic_addba_request", ic->ic_addba_request);
618 		DB_PRINTSYM("\tic_addba_response", ic->ic_addba_response);
619 		DB_PRINTSYM("\tic_addba_stop", ic->ic_addba_stop);
620 	}
621 	if (showvaps && !TAILQ_EMPTY(&ic->ic_vaps)) {
622 		db_printf("\n");
623 		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
624 			_db_show_vap(vap, showprocs);
625 	}
626 	if (showsta && !TAILQ_EMPTY(&ic->ic_sta.nt_node)) {
627 		const struct ieee80211_node_table *nt = &ic->ic_sta;
628 		const struct ieee80211_node *ni;
629 
630 		TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
631 			db_printf("\n");
632 			_db_show_sta(ni);
633 		}
634 	}
635 }
636 
637 static void
638 _db_show_channel(const char *tag, const struct ieee80211_channel *c)
639 {
640 	db_printf("%s ", tag);
641 	if (c == NULL)
642 		db_printf("<NULL>");
643 	else if (c == IEEE80211_CHAN_ANYC)
644 		db_printf("<ANY>");
645 	else
646 		db_printf("[%u (%u) flags=%b maxreg %u maxpow %u minpow %u state 0x%x extieee %u]",
647 		    c->ic_freq, c->ic_ieee,
648 		    c->ic_flags, IEEE80211_CHAN_BITS,
649 		    c->ic_maxregpower, c->ic_maxpower, c->ic_minpower,
650 		    c->ic_state, c->ic_extieee);
651 }
652 
653 static void
654 _db_show_ssid(const char *tag, int ix, int len, const uint8_t *ssid)
655 {
656 	const uint8_t *p;
657 	int i;
658 
659 	db_printf(tag, ix);
660 
661 	if (len > IEEE80211_NWID_LEN)
662 		len = IEEE80211_NWID_LEN;
663 	/* determine printable or not */
664 	for (i = 0, p = ssid; i < len; i++, p++) {
665 		if (*p < ' ' || *p > 0x7e)
666 			break;
667 	}
668 	if (i == len) {
669 		db_printf("\"");
670 		for (i = 0, p = ssid; i < len; i++, p++)
671 			db_printf("%c", *p);
672 		db_printf("\"");
673 	} else {
674 		db_printf("0x");
675 		for (i = 0, p = ssid; i < len; i++, p++)
676 			db_printf("%02x", *p);
677 	}
678 }
679 
680 static void
681 _db_show_appie(const char *tag, const struct ieee80211_appie *ie)
682 {
683 	const uint8_t *p;
684 	int i;
685 
686 	if (ie == NULL)
687 		return;
688 	db_printf("%s [0x", tag);
689 	for (i = 0, p = ie->ie_data; i < ie->ie_len; i++, p++)
690 		db_printf("%02x", *p);
691 	db_printf("]\n");
692 }
693 
694 static void
695 _db_show_key(const char *tag, int ix, const struct ieee80211_key *wk)
696 {
697 	static const uint8_t zerodata[IEEE80211_KEYBUF_SIZE];
698 	const struct ieee80211_cipher *cip = wk->wk_cipher;
699 	int keylen = wk->wk_keylen;
700 
701 	if ((wk->wk_flags & IEEE80211_KEY_DEVKEY) == 0)
702 		return;
703 	db_printf(tag, ix);
704 	switch (cip->ic_cipher) {
705 	case IEEE80211_CIPHER_WEP:
706 		/* compatibility */
707 		db_printf(" wepkey %u:%s", wk->wk_keyix,
708 		    keylen <= 5 ? "40-bit" :
709 		    keylen <= 13 ? "104-bit" : "128-bit");
710 		break;
711 	case IEEE80211_CIPHER_TKIP:
712 		if (keylen > 128/8)
713 			keylen -= 128/8;	/* ignore MIC for now */
714 		db_printf(" TKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
715 		break;
716 	case IEEE80211_CIPHER_AES_OCB:
717 		db_printf(" AES-OCB %u:%u-bit", wk->wk_keyix, 8*keylen);
718 		break;
719 	case IEEE80211_CIPHER_AES_CCM:
720 		db_printf(" AES-CCM %u:%u-bit", wk->wk_keyix, 8*keylen);
721 		break;
722 	case IEEE80211_CIPHER_CKIP:
723 		db_printf(" CKIP %u:%u-bit", wk->wk_keyix, 8*keylen);
724 		break;
725 	case IEEE80211_CIPHER_NONE:
726 		db_printf(" NULL %u:%u-bit", wk->wk_keyix, 8*keylen);
727 		break;
728 	default:
729 		db_printf(" UNKNOWN (0x%x) %u:%u-bit",
730 			cip->ic_cipher, wk->wk_keyix, 8*keylen);
731 		break;
732 	}
733 	if (memcmp(wk->wk_key, zerodata, keylen) != 0) {
734 		int i;
735 
736 		db_printf(" <");
737 		for (i = 0; i < keylen; i++)
738 			db_printf("%02x", wk->wk_key[i]);
739 		db_printf(">");
740 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
741 		    wk->wk_keyrsc[IEEE80211_NONQOS_TID] != 0)
742 			db_printf(" rsc %ju", (uintmax_t)wk->wk_keyrsc[IEEE80211_NONQOS_TID]);
743 		if (cip->ic_cipher != IEEE80211_CIPHER_WEP &&
744 		    wk->wk_keytsc != 0)
745 			db_printf(" tsc %ju", (uintmax_t)wk->wk_keytsc);
746 		if (wk->wk_flags != 0) {
747 			const char *sep = " ";
748 
749 			if (wk->wk_flags & IEEE80211_KEY_XMIT)
750 				db_printf("%stx", sep), sep = "+";
751 			if (wk->wk_flags & IEEE80211_KEY_RECV)
752 				db_printf("%srx", sep), sep = "+";
753 			if (wk->wk_flags & IEEE80211_KEY_DEFAULT)
754 				db_printf("%sdef", sep), sep = "+";
755 			if (wk->wk_flags & IEEE80211_KEY_SWCRYPT)
756 				db_printf("%sswcrypt", sep), sep = "+";
757 			if (wk->wk_flags & IEEE80211_KEY_SWMIC)
758 				db_printf("%sswmic", sep), sep = "+";
759 		}
760 		db_printf("\n");
761 	}
762 }
763 
764 static void
765 printrate(const char *tag, int v)
766 {
767 	if (v == IEEE80211_FIXED_RATE_NONE)
768 		db_printf(" %s <none>", tag);
769 	else if (v == 11)
770 		db_printf(" %s 5.5", tag);
771 	else if (v & IEEE80211_RATE_MCS)
772 		db_printf(" %s MCS%d", tag, v &~ IEEE80211_RATE_MCS);
773 	else
774 		db_printf(" %s %d", tag, v/2);
775 }
776 
777 static void
778 _db_show_roamparams(const char *tag, const void *arg,
779     const struct ieee80211_roamparam *rp)
780 {
781 
782 	db_printf(tag, arg);
783 	if (rp->rssi & 1)
784 		db_printf(" rssi %u.5", rp->rssi/2);
785 	else
786 		db_printf(" rssi %u", rp->rssi/2);
787 	printrate("rate", rp->rate);
788 }
789 
790 static void
791 _db_show_txparams(const char *tag, const void *arg,
792     const struct ieee80211_txparam *tp)
793 {
794 
795 	db_printf(tag, arg);
796 	printrate("ucastrate", tp->ucastrate);
797 	printrate("mcastrate", tp->mcastrate);
798 	printrate("mgmtrate", tp->mgmtrate);
799 	db_printf(" maxretry %d", tp->maxretry);
800 }
801 
802 static void
803 _db_show_stats(const struct ieee80211_stats *is)
804 {
805 }
806 #endif /* DDB */
807